import Book.BookList;
import User.AdminUser;
import User.NormalUser;
import User.User;

import java.util.Scanner;

public class Main {


    public static User login(){
        System.out.println("请输入姓名：");
        Scanner scanner = new Scanner(System.in);
        String name = scanner.nextLine();
        System.out.println("你的身份是：1.管理员 2.用户");
        int choice = scanner.nextInt();
        if(choice == 1){
            //管理员
           return new AdminUser(name);
        }else if(choice == 2){
            //用户
           return new NormalUser(name);
        }else {
            System.out.println("输入错误");
            return null;
        }
    }

    public static void main(String[] args) {

         BookList bookList = new BookList();
         User user = login();//指向哪个对象看返回值
        while (true) {

            int choice = user.menu();
            System.out.println("choice:" + choice);
            user.doOperation(choice, bookList);

        }
    }
}
